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Ruby class instance variable vs. class variable

I read " When do Ruby instance variables get set? " but I'm of two minds when to use class instance variables. 7 Answers ...
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How to highlight text using javascript

Can someone help me with a javascript function that can highlight text on a web page. And the requirement is to - highlight only once, not like highlight all occurrences of the text as we do in case of search. ...
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What is the standard naming convention for html/css ids and classes?

... while, I've gone back to dashes. To me now they look a lot cleaner than un_der_scores or camelCase. My original point still stands though: there isn't a standard. Update 2015 An interesting corner case with conventions here is Rust. I really like the language, but the compiler will warn you if yo...
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Get controller and action name from within controller?

... edited Apr 30 '14 at 17:02 L_7337 2,3442525 silver badges4242 bronze badges answered Aug 15 '13 at 8:06 An...
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What are the differences between a pointer variable and a reference variable in C++?

I know references are syntactic sugar, so code is easier to read and write. 41 Answers ...
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I lost my .keystore file?

Ok folks.. long story short, I was developing on a computer that I no longer have access to. I was able to retrieve the source code, but not the .keystore file used to sign and publish my application to the market (with several updates). Am I, and my poor users, out of luck if I ever want to update?...
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Clearing purchases from iOS in-app purchase sandbox for a test user

... 32 You can't do this, as far as I know. The sandbox backend works like a real account-- once it's ...
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How Do You Clear The IRB Console?

... which command would work with tmux. I think Ctrl + L is the one as thatway_3 says down below. – Pablo Feb 16 at 18:35 add a comment  |  ...
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Adding minutes to date time in PHP

... $minutes_to_add = 5; $time = new DateTime('2011-11-17 05:05'); $time->add(new DateInterval('PT' . $minutes_to_add . 'M')); $stamp = $time->format('Y-m-d H:i'); The ISO 8601 standard for duration is a string in the form of P...
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How do you sign a Certificate Signing Request with your Certification Authority?

...############################################################ [ ca ] default_ca = CA_default # The default ca section [ CA_default ] default_days = 1000 # How long to certify for default_crl_days = 30 # How long before next CRL default_md = sha256 # Use pub...